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4.4/5 on eKomi, last 12 months8.2/10 on Kiyoh from 8,372 reviews, all time
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Both Kiyoh and eKomi invite customers to leave a review after an order. Kiyoh states that it checks reviews for authenticity. The Kiyoh score covers all our reviews to date; the eKomi score covers the last 12 months.

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Mold-Resistant Cannabis Seeds

Mold is the problem most growers dread at the end of the season. Weeks of work can turn grey inside a dense bud just before harvest. The strains on this page are the ones whose product descriptions note good resistance to mold, mildew or fungus. Many come from hardy lines such as Afghan, Skunk and White Widow, and a lot of them are easy to grow. Each product page lists the flowering time, THC level and plant size, so you can compare before you order. Every order is packed by hand in Amsterdam and shipped discreetly.

What mold-resistant means here

We put a strain on this list when its description says it holds up well against mold, mildew or fungus. That is a description of the genetics, not a shield. Any plant can get bud rot if the air stays damp and still for long enough. A resistant strain gives you more margin when the weather turns or the tent gets humid, and that margin is often what saves a harvest.

Why it matters outdoors and in wet climates

Outdoor plants finish in autumn, which in much of Europe means rain, morning fog and cool nights. Thick, heavy buds hold that moisture. If you grow outside in a wet region, or anywhere the last weeks of flowering fall in a rainy month, a strain with a reputation for resistance is the sensible starting point. Indoors the risk is lower, but a crowded tent with poor airflow can still grow mold.

Keeping mold away

Good genetics help, and good habits do the rest. Give each plant room so air can move between the branches. Remove dead and yellow leaves from the inside of the plant. Water in the morning, not the evening. Indoors, keep humidity down in late flowering and run a fan around the clock. Check the inside of your biggest buds every few days near harvest. Brown or grey patches usually mean bud rot: cut that part out at once, well past the damaged area. Our articles on mold and mildew and on bud rot explain the warning signs.

Picking a strain from the list

If you want something dependable for a first outdoor season, look at Afghan, Super Skunk or Skunk Special. Bianca, Black Domina and Blue Cheese are other easy choices. For bigger harvests, Gipsy King, Kryptonite and Bonfire are worth a look, though they need more room and care. CBDoc suits people who want a strain with less THC. If seeds do not germinate, our germination guarantee gives you free replacements within 90 days.

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